Abstract
Experimental investigations and theoretical analysis of the effect of external illumination on the dynamics of formation of photorefractive reflection gratings in a (100)-cut bismuth titanate crystal showed that, in the case of counter interaction of laser beams with a wavelength of 633 nm, incoherent green light may cause a change in the sign of the two-beam gain.
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Original Russian Text © A.A. Kolegov, N.I. Burimov, S.M. Shandarov, V.S. Belikov, V.V. Prokofiev, T. Jaaskelainen, A.L. Tolstik, P.I. Ropot, 2008, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2008, Vol. 72, No. 1, pp. 23–27.
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Kolegov, A.A., Burimov, N.I., Shandarov, S.M. et al. Effect of incoherent illumination on two-beam interaction of light waves in a bismuth titanate crystal. Bull. Russ. Acad. Sci. Phys. 72, 17–21 (2008). https://doi.org/10.3103/S1062873808010061
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DOI: https://doi.org/10.3103/S1062873808010061